摘要:
- (void)viewDidLoad{ [super viewDidLoad]; UIView *v=[[UIView alloc]initWithFrame:CGRectMake(50, 50, 200, 200)]; v.backgroundColor=[UIColor redColor]; v.tag=100; [self.view addSubview:v]; UIView *v1=[[UIView alloc]initWithFrame:CGRectMake(20, 20, 160, 160)]; v1.backgroundColor=[U... 阅读全文